Thermoeconomic optimization for green multi-shaft gas turbine engines

The thermoeconomic analysis of a gas turbine engine with two turbines is presented and discussed in this work. Two configurations (in parallel and series free turbine) are presented and analysed. The thermoeconomic analysis relies on the energy and exergy analysis of the system, and the capital cost evaluated for each component using annualized capital cost equations. Then it is used in combination with exergy analysis to evaluate the net work and cost rate.

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